01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // directory tree for the complete NOSA document.
10: //
11: // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12: // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13: // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14: // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15: // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16: // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17: // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18: //
19:
20: package gov.nasa.jpf.jvm;
21:
22: /**
23: * MJI NativePeer class for java.lang.Double library abstraction
24: */
25: public class JPF_java_lang_Double {
26: public static long doubleToLongBits(MJIEnv env, int rcls, double v0) {
27: return Double.doubleToLongBits(v0);
28: }
29:
30: public static long doubleToRawLongBits(MJIEnv env, int rcls,
31: double v0) {
32: return Double.doubleToRawLongBits(v0);
33: }
34:
35: public static double longBitsToDouble(MJIEnv env, int rcls, long v0) {
36: return Double.longBitsToDouble(v0);
37: }
38:
39: public static int toString__D(MJIEnv env, int objref, double d) {
40: return env.newString(Double.toString(d));
41: }
42:
43: // we need to intercept this because it compares double values, which might
44: // cause an ArithmeticException to be raised if -check-fp-compare is set (default)
45: // but -check-fp isn't, and Double.isInfinit is used to handle the cases
46: // explicitly in the program (which is supposed to be the right way)
47: public static boolean isInfinite__D(MJIEnv env, int rcls, double v) {
48: return Double.isInfinite(v);
49: }
50:
51: // ditto (see isInfinite)
52: public static boolean isNaN__D(MJIEnv env, int rcls, double v) {
53: return Double.isNaN(v);
54: }
55: }
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